Minerals
April 13, 2023
IS-85 Colorado Mineral and Energy Industry Activities 2021-2022
The current annual Colorado Mineral and Energy Industry Activities report for 2021-22 is now available. Following up on…
publications
The CGS has released more than 700 publications covering a wide range of geoscience issues that are important to the citizens of the state of Colorado.
Geology
March 30, 2023
New Colorado 30×60 minute quadrangle datasets
Underwritten with special supplemental funding though the US Geological Survey (USGS) STATEMAP Program, we digitized, re-compiled, and quality-controlled several…
Geology
May 10, 2022
Golden Rocks: The Geology and Mining History of Golden, Colorado
We’ve received the go ahead to help distribute this marvelous (and FREE!) 100+ page digital publication from the talented…
Geology
March 15, 2022
Recent reports published
OF-20-11 Alkaline Complexes of the Wet Mountains Area, Colorado: A Geological Summary, Bibliography, and Data Compilation…
Water
January 14, 2022
Case Study: stormwater
Stormwater runoff is excess water associated with a rain or snow storm event that flows over the…
Geology
June 3, 2021
New GIS data and maps
For those of you who are subscribers to the CGS announcement list, we want to direct your attention to a…
Geology
April 15, 2021
A few new publications
For those of you who are recent subscribers to the CGS mailing list, we wanted to direct your attention to…
Hazards
February 8, 2021
The Snowy Torrents
Here in Colorado, avalanche season is not over yet, and it’s been another deadly one with 26 fatalities so far…
Geology
November 24, 2020
Re-introducing: Historic Metal Mining Districts
As the reconstruction of our website continues, we recently redeployed a popular package of information that was compiled and made…
Hazards
May 16, 2017
AASG 2017 John C. Frye Memorial Award for CGS publication
The Association of American State Geologists announced that their annual John C.
General
May 15, 2017
OF-16-03 Colorado Rocky Mountain Front Profiles
(NOTE: We’ are currently rolling over our physical publications sales to Amazon, and we haven’t yet gotten this great poster…
General
May 13, 2017
Welcome to the CGS RockTalk blog
We’ve decided to revive one of our most popular print publications — RockTalk — as a blog so that…
Geology
April 12, 2017
OF-16-05 Geologic Map of the Longmont Quadrangle, Boulder and Weld Counties, Colorado
We just uploaded the most recent of our STATEMAP mapping products to…
Publications
February 17, 2017
IS-79 Colorado Mineral and Energy Industry Activities 2015-16
The current annual Colorado Mineral and Energy Industry Activities report 2015-16 is now available. Following up on the…
Hazards
January 23, 2017
Top-Ten paper at GSA
On May 25, 2014 the longest landslide in Colorado’s historical record occurred in west-central Colorado, six miles (10 km) southeast of the small…
Hazards
September 26, 2001
Swelling Soil Publication Wins Another National Award
CGS Special Publication 43, SP-43 A Guide to Swelling Soils for Colorado Homebuyers and Homeowners, by…